# Jawaharlal nehru technological university kakinada

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B.TECH. AERONAUTICAL ENGINEERING

COURSE STRUCTURE BATCH 2010-11

II Year

 I SEMESTER P C II SEMESTER P C 1 Engineering Mechanics 4 4 1 Aerodynamics 4 4 2 Thermodynamics 4 4 2 Aircraft Production Technology 4 4 3 Mechanics of Fluids 4 4 3 Control Systems 4 4 4 Aerospace Materials and Composites 4 4 4 Electrical and Electronics Engineering 4 4 5 Foundation of Solid Mechanics 4 4 5 Mechanisms and Mechanical Design 4 4 6 Computer aided Engineering Drawing Practice 6 4 6 Aircraft Engineering Drawing 6 4 7 Mechanics of Solids and Aircraft Materials Lab 3 2 7 Electrical and Electronics Engineering Lab 3 2 8 Mechanics of Fluids Lab 3 2 8 Aircraft Production Lab 3 2 9 English Communication Practice 2 - 9 English Communication Practice 2 2 28 30

2010-11

B.TECH. AERONAUTICAL ENGINEERING

II Year B.Tech. – I Sem.

ENIGINEERING MECHANICS

UNIT – I

Introduction to Engg. Mechanics – Basic Concepts.

Systems of Forces : Coplanar Concurrent Forces – Components in Space – Resultant – Moment of Force and its Application – Couples and Resultant of Force Systems.

UNIT – II

Equilibrium of Systems of Forces : Free Body Diagrams, Equations of Equilibrium of Coplanar Systems, Spatial Systems for concurrent forces. Lamis Theorm, Graphical method for the equilibrium of coplanar forces, Converse of the law of Triangle of forces, converse of the law of polygon of forces condition of equilibrium.

UNIT – III

Centroid : Centroids of simple figures (from basic principles ) – Centroids of Composite Figures

Centre of Gravity : Centre of gravity of simple body (from basis principles), centre of gravity of composite bodies, pappus theorem.

UNIT – IV

Area moments of Inertia : Definition – Polar Moment of Inertia, Transfer Theorem, Moments of Inertia of Composite Figures, Products of Inertia, Transfer Formula for Product of Inertia. Mass Moment of Inertia : Moment of Inertia of Masses, Transfer Formula for Mass Moments of Inertia, mass moment of inertia of composite bodies.

UNIT – V

Analysis of perfect frames ( Analytical Method) – Types of Frames – Assumptions for forces in members of a perfect frame, Method of joints, Method of sections, Force table, Cantilever Trusses, Structures with one end hinged and the other freely supported on rollers carrying horizontal or inclined loads.

UNIT – VI

Kinematics : Rectilinear and Curvelinear motions – Velocity and Acceleration – Motion of Rigid Body – Types and their Analysis in Planar Motion. Kinetics : Analysis as a Particle and Analysis as a Rigid Body in Translation – Central Force Motion – Equations of Plane Motion – Fixed Axis Rotation – Rolling Bodies.

UNIT – VII

Work – Energy Method : Equations for Translation, Work-Energy Applications to Particle Motion, Connected System-Fixed Axis Rotation and Plane Motion. Impulse momentum method.

UNIT – VIII

Friction : Introduction , limiting friction and impending motion, coulomb’s laws of dry friction , coefficient of friction, cone of friction. Applications of friction- impending motion of connected bodies , relative motion, ladder friction, wedges, screw friction.

TEXT BOOKS :

1. Engg. Mechanics ,Timoshenko & Young.

2. Engg. Mechanics, R.K. Bansal , Laxmi publications

REFERENCES :

1. Engineering Mechanics , Fedinand . L. Singer , Harper – Collins.

2. Engineering Mechanics statics and dynamics , A Nelson , Mc Gra Hill publications

3. Engg. Mechanics Umesh Regl, Tayal.

2010-11

B.TECH. AERONAUTICAL ENGINEERING

II Year B.Tech. – I Sem.

THERMODYNAMICS

UNIT – I

Introduction: Basic Concepts : System, Control Volume, Surrounding, Boundaries, Universe, Types of Systems, Macroscopic and Microscopic viewpoints, Concept of Continuum, Thermodynamic Equilibrium, State, Property, Process, Cycle – Reversibility – Quasi – static Process, Irreversible Process, Causes of Irreversibility – Energy in State and in Transition, Types, Work and Heat, Point and Path function.

UNIT II

Zeroth Law of Thermodynamics – Concept of quality of Temperature – Principles of Thermometry –Reference Points – Const. Volume gas Thermometer – Scales of Temperature, Ideal Gas Scale – PMM I - Joule’s Experiments – First law of Thermodynamics – Corollaries – First law applied to a Process – applied to a flow system – Steady Flow Energy Equation.

UNIT – III

Limitations of the First Law – Thermal Reservoir, Heat Engine, Heat pump, Parameters of performance, Second Law of Thermodynamics, Kelvin-Planck and Clausius Statements and their Equivalence / Corollaries, PMM of Second kind, Carnot’s principle, Carnot cycle and its specialties, Thermodynamic scale of Temperature, Clausius Inequality, Entropy, Principle of Entropy Increase – Energy Equation, Availability and Irreversibility – Thermodynamic Potentials, Gibbs and Helmholtz Functions, Maxwell Relations – Elementary Treatment of the Third Law of Thermodynamics.

UNIT IV

Pure Substances, p-V-T- surfaces, T-S and h-s diagrams, Mollier Charts, Phase Transformations – Triple point at critical state properties during change of phase, Dryness Fraction – Clausius – Clapeyron Equation Property tables. Mollier charts – Various Thermodynamic processes and energy Transfer – Steam Calorimetry.

UNIT - V

Perfect Gas Laws – Equation of State, specific and Universal Gas constants – various Non-flow processes, properties, end states, Heat and Work Transfer, changes in Internal Energy – Throttling and Free Expansion Processes – Flow processes – Deviations from perfect Gas Model – Vander Waals Equation of State – Compressibility charts – variable specific Heats – Gas Tables.

UNIT – VI

Mixtures of perfect Gases – Mole Fraction, Mass friction Gravimetric and volumetric Analysis – Dalton’s Law of partial pressure, Avogadro’s Laws of additive volumes – Mole fraction , Volume fraction and partial pressure, Equivalent Gas const. And Molecular Internal Energy, Enthalpy, sp. Heats and Entropy of Mixture of perfect Gases and Vapour, Atmospheric air - Psychrometric Properties – Dry bulb Temperature, Wet Bulb Temperature, Dew point Temperature, Thermodynamic Wet Bulb Temperature, Specific Humidity, Relative Humidity, saturated Air, Vapour pressure, Degree of saturation – Adiabatic Saturation , Carrier’s Equation – Psychrometric chart.

UNIT - VII

Power Cycles : Otto, Diesel, Dual Combustion cycles, Sterling Cycle, Atkinson Cycle, Ericcson Cycle, Lenoir Cycle – Description and representation on P–V and T-S diagram, Thermal Efficiency, Mean Effective Pressures on Air standard basis – comparison of Cycles.

UNIT VIII

Refrigeration Cycles : Brayton and Rankine cycles – Performance Evaluation – combined cycles, Bell- Coleman cycle, Vapour compression cycle-performance Evaluation.

TEXT BOOKS :

1. Engineering Thermodynamics / PK Nag /TMH, III Edition

2. Fundamentals of Thermodynamics – Sonntag, Borgnakke and van wylen / John Wiley & sons (ASIA) Pte Ltd.

REFERENCES :

1. Engineering Thermodynamics – Jones & Dugan

2. Thermodynamics – An Engineering Approach – Yunus Cengel & Boles /TMH

3. Thermodynamics – J.P.Holman / McGrawHill

2010-11

B.TECH. AERONAUTICAL ENGINEERING

II Year B.Tech. – I Sem.

MECHANICS OF FLUIDS

UNIT – I

Fluid Properties And Fluid Statics: Density, Specific weight, Specific gravity, viscosity, Vapour pressure, compressibility, Pressure at a point, Pascal’s law, pressure variation with temperature, density and attitude. Hydro static law, Piezometer, Simple and differential manometers, pressure gauges, total pressure and center of pressure – plane, vertical and inclined surfaces. Buoyancy and stability of floating bodies.

UNIT – II

Fluid Kinematics : Stream line, path line, streak line, stream tube, classification of flows, steady, unsteady, uniform, non-uniform, laminar, turbulent, rotational, irrotational flows, one, two and three dimensional flows – Continuity equation in 3D flow, stream function, velocity potential function.

UNIT – III

Fluid Dynamics : Surface and Body forces – Euler’s and Bernoulli’s equation derivation, Navierstokes equation (explanation only) Momentum equation - applications, vortex – Free and Forced. Forced vortex with free surface.

UNIT – IV

Similitude and Flow Measurement – Similarly laws, distorted models. Flow through Venturimeter and Orificemeter, flow through notches and weirs, Viscometers, Hot wire Anemometers, Pitot tube, Flow through nozzles.

UNIT – V

Approximate solutions of N.S. Equations - Boundary layer- concepts, Prandtl contribution,Characteristices of boundary layer along a thin flat plate Von-karman’s momentum integral equation (No derivation), laminar and turbulent Boundary layers,BL in transition,separation of BL,control of BL separation,flow around submerged objects, Drag and lift – types of drag – magnus effect.

UNIT – VI

Closed Conduit Flow: Characteristics of real fluids – Reynolds experiment –Darcy’s equation, Minor losses – pipes in series – pipes in parallel – Total energy line and hydraulic gradient line.

UNIT VII

Exact Solutions of Navier Stokes Equations. Flow between parallel plates, flow through long tubes - Fow through inclined tubes, Turbulent flow, variation of friction factor with Reynold’s Number – Mody’s chart.

UNIT VIII

Flow of Compressible Fluid: Introduction, Thermodynamic relations, basic equations of compressible flow, velocity of sound wave in a fluid for isothermal and adiabatic process, mach number and its applications, mach angle, Propagation of Pressure waves and stagnation properties

TEXT BOOKS:

1. Fluid Mechanics Hydraulics and Hydraulics Machines Modi & Seth, Standard publications, New Delhi.

2. Engineering Fluid Mechanics by K.L.Kumar, S.Chand & Co.

REFERENCES :

1. Fluid Mechanics – Frank in white Mc-Grawhill.

2. Fluid Mechanics - John – F.Dauglas, Pearson Educations publishers.

3. Fluid Mechanics & Hydraulic Machines - D. Ramadurgaiah, Newage Publishers.

2010-11

B.TECH. AERONAUTICAL ENGINEERING

II Year B.Tech. – II Sem.

AEROSPACE MATERIALS AND COMPOSITES

UNIT-I

Mechanical behavior of engineering materials, linear and non-linear elastic properties, yielding, strain hardening, fracture Barochinger’s effect, notch effect, testing and flow detection of materials including super alloys and P-H. steels. Thermo-Structural behavior of materials for application at elevated temperatures.

UNIT-II

Introduction, wrought, cast and forged aluminum alloys, production of semi-fabricated forms for aerospace applications.

UNIT-III

Introduction to composites:

Classification characterization, advantages and applications of composite materials – Reinforcements and matrices, composite structures. Single layer symmetric, Anti-symmetric and un-symmetric lay up configurations with cross – ply and angle – ply lay – ups. Introduction to 3D composites, filament wound and Woven composites.

UNIT-IV

Charaterization of Composites

Stress strain relations of composites, Otrhotropic behavior of composites, Mechanics of Materials approach to determine Young’s modulus, Shear modulus and Poisson’s ratio, Stress strain relations in material coordinates, strength concepts, Biaxial strength theories, maximum stress, maximum strain, fracture toughness of composites

UNIT-V

Lamination of CCA models and introduction to micro mechanics. Elasticity based micro-mechanical models, introduction to FEM in composites characterization.

UNIT-VI

Open and closed mould process, filament winding, pull-trusion and online production methods of manufacture of fibers and composites. Manufacture of high performance composite materials applicable in elevated temperature field.

UNIT-VII

Introduction to impact damage of composite life production and damage tolerance studies, fracture toughness of composites. NDT techniques for quality assurance.

UNIT-VIII

Environmental and Manufacturing considerations in selection of materials for Aircrafts, Rockets. Materials used for Aircraft applications – application of composite materials, super alloys for supersonic vehicles.

TEXT BOOKS:

1. “Analysis and performance of fibre composites “, Agarwal B. D., Broutman. L. J., John Wiley and sons – New york, 1980.

2. Hand Book on “Advanced Plastics and fibre glass “ , Lubin. G, Von. Nostrand, Reinhold Co. New york, 1989.

REFERENCE BOOKS:

1. “Advanced Composite Materials” Lalith Gupta, Himalayan book, New Delhi, 1998.

2. “ Mechanics of Composite Materials” Jones R.M. McGrawHill Kogakusha, ltd. Tokyo.

2010-11

B.TECH. AERONAUTICAL ENGINEERING

II Year B.Tech. – I Sem.

FOUNDATION OF SOLID MECHANICS

UNIT I

AXIAL FORCES AND TORQUES:

Introduction to concepts of stress, strain, strain energy density at a point and Hookes law, Stress strain diagrams, resilience, elastic limit, yield point, elastic moduli and analysis of axially loaded prismatic bars. Determination of axial load diagrams. Deflections and stresses in determinate and indeterminate uniform / non –uniform / composite prismatic bars subjected to distributed & concentrated loads.

Determination torque diagrams deflections and stresses in uniform / non-uniform / composite circular cylindrical bars subjected to distributed & concentrated torsional loads.

UNIT – II

SHEAR FORCE AND BENDING MOMENT DIAGRAMS:

Definition of beam – Types of beams – Concept and conventions of shear force and bending moment – S.F and B.M diagrams for cantilever, simply supported and overhanging beams subjected to point loads, u.d.l., uniformly varying loads and their combinations – Relations among distributed load (loading), S.F and B.M diagrams and use of singularity methods.

UNIT – III

FLEXURAL STRESSES:

Theory of simple bending – Assumptions – Derivation of bending equation: M/I = f/y = E/R Neutral axis – Determination bending stresses – section modulus of rectangular and circular sections (Solid and Hollow), I,T, Angle and Channel sections –. Stress in Composite beams using equivalent width concepts and its limitations.

UNIT – IV

SHEAR STRESSES:

Derivation, formula for Shear stress distribution across various beam sections like rectangular, circular, triangular, T, Angle sections and I.

UNIT – V

DEFLECTION OF DETERMINATE BEAMS:

Assumptions of elementary theory of bending – slope, deflection and radius of curvature – Differential equation for the elastic axis of a beam – Double integration and McCauley’s methods. Determination of slope and deflection for cantilever and simply supported beams subjected to point loads, - U.D.L, Uniformly varying load. Singularity method of deflection analysis.

UNIT VI

CYLINDRICAL SHELLS

Thin Seamless cylindrical shells – derivation of formulae for longitudinal and circumferential stresses, Hoop, Longitudinal and volumetric Strain, changes in diameter and volume of thin cylinders and thin spherical shells.

UNIT VII

MODES OF JOINT FAILURE

Stresses in joints including riveted bolted and welded joint. Failure analysis of various joints. Load flow diagrams in riveted (Lap and Butt) joints with or without friction.

UNIT - VIII

UNSYMMETRIC BENDING

Stress analysis of isotropic, composite unsymmetrical beams.

TEXT BOOKS:

1. Strength of Materials by Byars, EF. Snyder R.D. and plants H. L., 4th Edition Harper Row

0Publishers, 1983.

2. Mechanics of Materials by Gere J. M, and Timoshemko S. P. CBS Publishers.

REFERENCES:

1. Strength of Materials by Andrew Pytel and Ferdinond L. Singer Longman.

2. Strength of Materials by Nash W. Asian Student Edition, Harper Row Publishers.

3. Mechanics of Materials Popov E. P, Nagarajan S. and Lu z. A, S. I Version 2nd Edition Printice Hall of India PVT. New Delhi.

2010-11

MECHANICAL ENGINEERING

II Year B.Tech. – I Sem.

COMPUTER AIDED ENGINEERING DRAWING PRACTICE

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